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C96

C96: Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue

Non-billable headerICD-10-CM

C96 is a non-billable header ICD-10-CM code for other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissues (Z85.79)

Other codes that can never be billed with C96

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • C96.0Multifocal and multisystemic (disseminated) Langerhans-cell histiocytosis
  • C96.5Multifocal and unisystemic Langerhans-cell histiocytosis
  • C96.6Unifocal Langerhans-cell histiocytosis
  • D47.02Systemic mastocytosis
  • D76Other specified diseases with participation of lymphoreticular and reticulohistiocytic tissue
  • D89.4Mast cell activation syndrome and related disorders
  • E88Other and unspecified metabolic disorders
  • Q82.2Congenital cutaneous mastocytosis

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead C96

8 child codes. Green means billable.

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.